Public Water Systems
143,076 active public water systems, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Bedford Park | Bedford Park, IL | 602 | 4 | - |
| Damiansville | Damiansville, IL | 602 | 36 | - |
| Brookwood Estates Subdivision | Eatonton, GA | 602 | 20 | - |
| Cal Am - Dunnigan | Sacramento, CA | 602 | 36 | - |
| Mingus West Water System | Prescott Valley, AZ | 602 | 29 | - |
| Ponderosa Park Dwid | Prescott, AZ | 602 | 83 | Detected |
| Humphrey Waterworks | Humphrey, AR | 602 | 432 | - |
| Boardman Park-Main Well PWS | Boardman, OH | 601 | 45 | - |
| Cato Village | Cato, NY | 601 | 30 | - |
| Reserve Water Works | Reserve, NM | 601 | 51 | - |
| Leeton PWS | Leeton, MO | 601 | 29 | - |
| St. Michaels Church | Waterloo, IN | 601 | 10 | - |
| Baldwin | Nashville, IL | 601 | 38 | - |
| Farmington Water Supply | Farmington, IA | 601 | 130 | - |
| Bylers Store (West Dover) | Dover, DE | 601 | 0 | - |
| Ramble Cg | Golden, CO | 601 | 4 | - |
| Gtnp-Flagg Ranch | Moose, WY | 600 | 0 | - |
| Black Thunder Coal Mine | Wright, WY | 600 | 1 | Clean |
| Salt Creek Water District | Newcastle, WY | 600 | 15 | - |
| Reynolds Memorial Hospital | Glen Dale, WV | 600 | 146 | - |
| Iron River Sanitary District | Iron River, WI | 600 | 420 | - |
| St Marys Catholic Church | Auburndale, WI | 600 | 0 | - |
| Peace Lutheran Church | Dresser, WI | 600 | 0 | - |
| Elmbrook- Lake Country | Brookfield, WI | 600 | 8 | - |
| Christ Church Mequon | Mequon, WI | 600 | 0 | - |
| Huntington Park | Mequon, WI | 600 | 17 | - |
| WI DNR Wyalusing Central Pump House | Bagley, WI | 600 | 25 | - |
| Outlook Elementary School | Yakima, WA | 600 | 232 | - |
| Energy Dept of/300 Area | Richland, WA | 600 | 10 | - |
| Jefferson County Water Dist #1 | Port Ludlow, WA | 600 | 61 | - |
| McKenna Water District | McKenna, WA | 600 | 6 | - |
| Bywater Bay | Port Townsend, WA | 600 | 1,724 | - |
| Church of the Rock | St. Albans, VT | 600 | 0 | - |
| Sugar Ridge RV Village Campground Inc | Danville, VT | 600 | 36 | - |
| Blue Mountain Usd 21 | Bradford, VT | 600 | 175 | - |
| Knud Hansen Complex | VI | 600 | 13 | - |
| Riverbend Golf & Country Club | Great Falls, VA | 600 | 106 | - |
| Lake Fairfax-Campground | Reston, VA | 600 | 9 | - |
| Patrick County Psa | Stuart, VA | 600 | 0 | - |
| Thousand Trails | Gladys, VA | 600 | 19 | - |
| Fort Monroe | Fort Monroe, VA | 600 | 16 | - |
| South Forty Camp Resort | Chester, VA | 600 | 80 | - |
| Clydes Dale Mobile Community | Windsor, VA | 600 | 44 | - |
| Christopher Run Campground | Mineral, VA | 600 | 47 | - |
| Lee County Psa/Jasper | Jonesville, VA | 600 | 16 | - |
| Mabry Mill No. 1 | Asheville, VA | 600 | 8 | - |
| Aspen Crest Girls Camp | Salt Lake City, UT | 600 | 66 | - |
| Mosida Handcart Trek | Salt Lake City, UT | 600 | 3 | - |
| Erda Ward | Salt Lake City, UT | 600 | 57 | - |
| Dugway - English Village | Montpelier, UT | 600 | 36 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).